3 papers
cond-mat.stat-mech2025
Performance of the Extended Ising Machine for the Quadratic Knapsack Problem
Haruka Akishima, Hirotaka Tamura, Kazue Kudo
The extended Ising machine (EIM) enhances conventional Ising models, which handle only binary quadratic forms by allowing constraints through real-valued dependent variables. We ad…
cs.LG2023
Generating gradients in the energy landscape using rectified linear type cost functions for efficiently solving 0/1 matrix factorization in Simulated Annealing
Makiko Konoshima, Hirotaka Tamura, Yoshiyuki Kabashima
The 0/1 matrix factorization defines matrix products using logical AND and OR as product-sum operators, revealing the factors influencing various decision processes. Instances and…
physics.app-ph2023
Characterization of Locality in Spin States and Forced Moves for Optimizations
Yoshiki Sato, Makiko Konoshima, Hirotaka Tamura +1
Ising formulations are widely utilized to solve combinatorial optimization problems, and a variety of quantum or semiconductor-based hardware has recently been made available. In c…